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Fire fighting pipe
Fire fighting pipe is a type of normal carbon steel pipe used to convey fire suppression agent such as water or gas. Usually it is red in color. But light-wall pipes have a galvanized exterior of a silvery appearance. Installation of red steel pipe is limited to wet pipe sprin...Read more -
ASTM A312 TP316/ TP316L Pipes
General Introduction & Applications ASTM A312 Grade TP316 and TP316L refer to the stainless steel 316 and 316L respectively. The prefix “TP” denotes “type” of the stainless steel. TP316 or TP316L pipes may be furnished in seamless or longitudinally welded types with butt w...Read more -
Explanation of special terms related to petroleum pipeline
API: It is the abbreviation of American Petroleum Institute in English, and Chinese means American Petroleum Institute. OCTG: It is the abbreviation of Oil Country Tubular Goods in English, which means special oil pipes in Chinese, including product oil casing, drill pipe, dri...Read more -
What is the Material of Boiler Tubes
Boiler steel pipes includes medium pressure boiler pipe and high pressure boiler pipe, it is often manufactured in seamless procedures, welded steel pipe is not applicable. Water-tube Boiler tubes A boiler with a high pressure water tube has become a form of boiler in which wa...Read more -
Difference between ASTM A249, A269, A270, and A554 Stainless steel tubing
Surface Finish A249 and A269 both require Surfaces “free of scale” – annealing of the tube is normally done in a controlled atmosphere and this “bright annealed” finish is considered acceptable. A270 requires selection of both internal and external Surfaces. The possible condi...Read more -
Physical Properties of 304 Steel
Stainless steels get their names from the American Iron & Steel Institute (AISI) and the Society of Automotive Engineers (SAE), who have separately created their own naming systems for steel alloys based on alloying elements, uses, and other factors. Steel names can get c...Read more -
How is the weld stainless steel pipe produced
1. Splitting : Splitting rolls with bigger sizes into rolls with smaller sizes according to each size tubes or to customer’s requirements rolled through the tape discharge system. This stage requires precision in terms of the size belonging to the tape according to the given t...Read more -
General Knowledge of Alloy Steel Pipes
General knowledge of alloy steel pipes: the brief introduction, chemical compositions, heat treatment perfomance and smelting equipment. 1. The brief introduction of alloy steel pipes Alloy steel pipes have hollow sections. A large number of alloy steel pipes are used for conv...Read more -
Specifications of Stainless Steel
Grade compositions, mechanical properties and production specifications are governed by a range of international and national standards for stainless steel. While the old AISI three digit stainless steel numbering system (e.g. 304 and 316) is still commonly used for the classi...Read more